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Readme
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1998-07-28
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Some years ago I started to write a emulator for Z80 based
CP/M systems (I have still a PC1715 which was certainly the
most used computer in the GDR). But then I did not know why
I should continue, so I left it.
Actually the processor is nearly full emulated, except
interrupt handling (it is not needed for a CP/M emulation).
Only very few BDOS and BIOS calls are implemented, and no
disk handling. But Turbo Pascal, a Basic interpreter and some
other programs that do not necessarily need disk accesses run
without problems. And well, it thinks it has a German
keyboard, so z and y are swapped on english keyboards.
I supply it with the basic interpreter, so you can play a bit
with it. On a A3010 it should reach nearly the original speed
of a 4MHz Z80, and on a Strongarm it is about as fast as a
100MHz Z80. To run it, type cpm:basi/com if the program asks
you for a name. If you want to leave, type "system".
I only plan to use this program for emulating the environment
for the Z80 cpu I will use to control my self-built amplifier,
but if you feel you could need the source, feel free to
contact me via email.
Peter Teichmann
Email: teich-p@rcs.urz.tu-dresden.de